AU643052B2 - Ozone generation - Google Patents

Ozone generation

Info

Publication number
AU643052B2
AU643052B2 AU81610/91A AU8161091A AU643052B2 AU 643052 B2 AU643052 B2 AU 643052B2 AU 81610/91 A AU81610/91 A AU 81610/91A AU 8161091 A AU8161091 A AU 8161091A AU 643052 B2 AU643052 B2 AU 643052B2
Authority
AU
Australia
Prior art keywords
ozone generation
ozone
niobium
tantalum
tungsten
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU81610/91A
Other versions
AU8161091A (en
Inventor
Neil Edwards
Neil Scholey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of AU8161091A publication Critical patent/AU8161091A/en
Application granted granted Critical
Publication of AU643052B2 publication Critical patent/AU643052B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/13—Ozone
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a coating
    • C02F2001/46142—Catalytic coating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

Ozone is generated in an electrolysis cell using an anode which comprises at least one of tungsten, titanium, tantalum and niobium, and a catalytic area, especially of platinum. Good electrode stability and relatively high yields of ozone may be achieved. <IMAGE>
AU81610/91A 1990-08-08 1991-08-05 Ozone generation Ceased AU643052B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9017404 1990-08-08
GB909017404A GB9017404D0 (en) 1990-08-08 1990-08-08 Ozone generation

Publications (2)

Publication Number Publication Date
AU8161091A AU8161091A (en) 1992-02-13
AU643052B2 true AU643052B2 (en) 1993-11-04

Family

ID=10680361

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81610/91A Ceased AU643052B2 (en) 1990-08-08 1991-08-05 Ozone generation

Country Status (8)

Country Link
EP (1) EP0470761B1 (en)
JP (1) JPH04231306A (en)
KR (1) KR920004274A (en)
AT (1) ATE117743T1 (en)
AU (1) AU643052B2 (en)
CA (1) CA2048516A1 (en)
DE (1) DE69106974T2 (en)
GB (1) GB9017404D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002263650A (en) * 2001-03-14 2002-09-17 Sanyo Electric Co Ltd Method for generating ozone by electrolysis and ozone generating device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB877901A (en) * 1957-07-17 1961-09-20 Ici Ltd Improvements relating to electrodes and uses thereof
US4236992A (en) * 1979-08-06 1980-12-02 Themy Constantinos D High voltage electrolytic cell

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041365B1 (en) * 1980-05-29 1985-09-04 The Regents Of The University Of California Improved electrolytic process for the production of ozone
DE3261041D1 (en) * 1981-05-11 1984-11-29 Bbc Brown Boveri & Cie Process and apparatus for the synthetic preparation of ozone by electrolysis, and its application
EP0192718B1 (en) * 1984-09-05 1992-09-02 Dietrich Prof. Dr. Wabner Process and device for the production of ozone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB877901A (en) * 1957-07-17 1961-09-20 Ici Ltd Improvements relating to electrodes and uses thereof
US4236992A (en) * 1979-08-06 1980-12-02 Themy Constantinos D High voltage electrolytic cell

Also Published As

Publication number Publication date
DE69106974D1 (en) 1995-03-09
CA2048516A1 (en) 1992-02-09
DE69106974T2 (en) 1995-06-14
JPH04231306A (en) 1992-08-20
KR920004274A (en) 1992-03-27
GB9017404D0 (en) 1990-09-19
EP0470761A1 (en) 1992-02-12
EP0470761B1 (en) 1995-01-25
AU8161091A (en) 1992-02-13
ATE117743T1 (en) 1995-02-15

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired